The documentation is located in the docs folder.
The format is restructuredText and the documentation generator is Sphinx
Some useful material to get started
insatll the rtd theme pip install sphinx_rtd_theme
The documentation can be generated by going to the doc folder and run
make html. This will
generate html docs with the same theme as readthedocs.org. To open it up locally simple open up the
Documentation that has been commited will show up in readthedocs.org.